40163043 has 8 divisors (see below), whose sum is σ = 53586000. Its totient is φ = 26757728.

The previous prime is 40163023. The next prime is 40163059. The reversal of 40163043 is 34036104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40163043 - 2¹⁸ = 39900899 is a prime.

It is a super-2 number, since 2×40163043² = 3226140046039698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40163003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2413 + ... + 9281.

It is an arithmetic number, because the mean of its divisors is an integer number (6698250).

Almost surely, 2^40163043 is an apocalyptic number.

40163043 is a deficient number, since it is larger than the sum of its proper divisors (13422957).

40163043 is a wasteful number, since it uses less digits than its factorization.

40163043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8821.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 40163043 is about 6337.4318931252. The cubic root of 40163043 is about 342.4592254371.

Adding to 40163043 its reverse (34036104), we get a palindrome (74199147).

The spelling of 40163043 in words is "forty million, one hundred sixty-three thousand, forty-three".